From the verb phrase lock up.
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lockup (plural lockups)
- (slang) A jail cell, or a period of incarceration.
- He's in lockup for 30 days for drunk and disorderly.
- (Britain, chiefly) A storage unit with a door secured by a padlock or deadbolt; a garage
- Joe keeps his other car in a lockup downtown.
- (mechanical engineering) A condition in which one or more of a vehicle's wheels suddenly cease to rotate due to the application of excessive brake force, causing the affected wheel(s) to skid.
- (computing) A condition where a system stops responding to inputs; a freeze.
- (printing, historical) A device for locking type into position for printing.
- (marketing, by extension) A fixed layout involving one or more logos and possibly related text.
prison — see prison